North American Network Operators Group
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Re: Mutual Redistribution

  • From: Joe Maimon
  • Date: Tue Mar 28 16:39:05 2006 


Mark Smith wrote:


One better
solution is to take advantage of route tags or labels. When a route is
redistributed you tag it, and then when mutual redistribution occurs in
the other direction, you exclude routes that have that tag. You'd need
to do this in both redistribution directions, with different tags to
prevent loops in either direction. This method doesn't rely on the
behaviour of always increase metrics, so it would be more robust.

HTH,
Mark.


I dont believe popular vendors implementations of rip propogate tags.

At least the last time I tried loop prevention with that, it didnt work.